THE TONGUE OF THE LIMPET
Limpets, like cows, are grazing animals. The tongue, shown above, is designed to
scrape (or rasp) algae off the rocks they live on. When the tide is in the limpet
is active, moving away from its home to feed. When the tide goes out, the limpet
returns home. It shows homing behaviour. Below are the marks made by the limpet
tongue when feeding at low tide